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Finding the Fourth Proportional to 3,588,892.80, 5,386,276.80 and 3,560,899.20

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Solution

The fourth proportional to 3,588,892.80, 5,386,276.80 and 3,560,899.20 is: 5,344,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588,892.80 : 5,386,276.80 = 3,560,899.20 : x
  2. Step 2: Convert to fraction form
    3,588,892.80/5,386,276.80 = 3,560,899.20/x
  3. Step 3: Cross multiply
    3,588,892.80x = 5,386,276.80 × 3,560,899.20
  4. Step 4: Simplify right side
    3,588,892.80x = 19,179,988,748,098.56
  5. Step 5: Solve for x
    x = 19,179,988,748,098.56/3,588,892.80
  6. Step 6: Final answer
    x = 5,344,263.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.